[i=s] This post was last edited by dontium on 2015-1-23 13:10 [/i]The core of the module is the ISD4004 voice chip, and its pinout is shown in Figure 5. The ISD4004 voice chip uses CMOS technology and...
//******************************************************************************// MSP-FET430P140 Demo - ADC12, Sample A0, Set P1.0 if A0 > 0.5*AVcc//// Description: A single sample is made on A0 with...
I want to use timer A to achieve: when the serial port sends the configuration parameters, timer A and B are initialized. The configuration parameters include the timer timing value. The initializatio...
I now have an "Innovation EM9260" kit, and I want to make a simple serial port program on it, to send a string to an electric meter and receive the string it returns, and then display the returned str...
1. The shortest detection distance is 4mm and the longest distance is 4 meters.2. The performance of ultrasonic distance measurement is closely related to the surface material of the object being meas...
The new LF21173TMR and LF21177TMR switches are housed in a compact LGA4 package and offer high sensitivity.
Fast response and extended battery life, suitable for battery-powered smart el...[Details]
Today's portable medical devices allow patients to diagnose and treat themselves, move around freely, and even use the devices when they are out and about. To achieve the "easy to carry" feature, po...[Details]
Human body information monitoring is an emerging field. People envision developing wireless electroencephalogram (EEG) monitoring equipment to diagnose epilepsy patients. Wearable wireless EEG can ...[Details]
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the follow...[Details]
To help improve DC/DC conversion efficiency at lighter loads and higher frequencies, Schottky diodes can be integrated into MOSFET chips to form a single package to reduce power dissipation in the ...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its exc...[Details]
introduction
Like other
portable
electronic products,
blood flow parameter detectors
need to be small, thin, durable, reliable, and have a long standby time. Therefore, system desi...[Details]
Preface
For a long time, SD cards with Flash Memory as storage have been widely used in consumer electronic products due to their small size, low power consumption, erasable and non-volati...[Details]
Preface
In recent years, many compact portable electronic products have been developed, such as mobile phones, digital cameras, MP3, MP4, PDA, GPS and DVD, etc. They are not only small in size...[Details]
Abstract: This paper introduces the origin and new features of MP4, and introduces the core audio compression technology MPEG-2 AAC (Advanced Audio Coding) based on MP4. Finally, it briefly summari...[Details]
1. Basic circuit characteristics of power amplifier
The basic circuit of the complementary symmetrical OTL power amplifier is shown in Figure ①. Among them: C1 is the signal input coupling ele...[Details]
Abstract
: This paper introduces the general structure of the driver under the currently popular open source embedded operating system μClinux, as well as the connection between the touch scr...[Details]
Mesh network architecture and advantages
The Internet is a flat network. The routers that make up the Internet are on the same plane. The mesh network formed by multiple paths between ...[Details]
0 Introduction
Electric vehicles are high-tech products that integrate computer technology, communication technology, electronic technology, and new material technology. They have a complex ...[Details]
0 Introduction
In modern industrial production and scientific and technological research, various data usually need to be collected. The commonly used data acquisition board collection met...[Details]